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问题 单项选择题

毛细血管内增生性肾小球肾炎的肉眼变化主要呈现()

A．大白肾

B．大红肾

C．颗粒性固缩肾

D．瘢痕肾

E．多囊肾

答案

参考答案：B

选择题

You are leaving for America. Have you said     to your friends?   [ ]

A. hello    

B. sorry      

C. goodbye  

D. thanks
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单项选择题

In the futures market, a contract does not trade for two days because trades are not permitted at the equilibrium price. The market for this contract is:

A．

A. limit up.

B．

B. locked limit.

C．

C. limit down.
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